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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * ---------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * ImageTitle.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * ---------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2000-2008, by David Berry and Contributors;<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  David Berry;<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   David Gilbert (for Object Refinery Limited);<a name="line.33"></a>
<span class="sourceLineNo">034</span> *<a name="line.34"></a>
<span class="sourceLineNo">035</span> * Changes (from 18-Sep-2001)<a name="line.35"></a>
<span class="sourceLineNo">036</span> * --------------------------<a name="line.36"></a>
<span class="sourceLineNo">037</span> * 18-Sep-2001 : Added standard header (DG);<a name="line.37"></a>
<span class="sourceLineNo">038</span> * 07-Nov-2001 : Separated the JCommon Class Library classes, JFreeChart now<a name="line.38"></a>
<span class="sourceLineNo">039</span> *               requires jcommon.jar (DG);<a name="line.39"></a>
<span class="sourceLineNo">040</span> * 09-Jan-2002 : Updated Javadoc comments (DG);<a name="line.40"></a>
<span class="sourceLineNo">041</span> * 07-Feb-2002 : Changed blank space around title from Insets --&gt; Spacer, to<a name="line.41"></a>
<span class="sourceLineNo">042</span> *               allow for relative or absolute spacing (DG);<a name="line.42"></a>
<span class="sourceLineNo">043</span> * 25-Jun-2002 : Updated import statements (DG);<a name="line.43"></a>
<span class="sourceLineNo">044</span> * 23-Sep-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.44"></a>
<span class="sourceLineNo">045</span> * 26-Nov-2002 : Added method for drawing images at left or right (DG);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 22-Sep-2003 : Added checks that the Image can never be null (TM).<a name="line.46"></a>
<span class="sourceLineNo">047</span> * 11-Jan-2005 : Removed deprecated code in preparation for the 1.0.0<a name="line.47"></a>
<span class="sourceLineNo">048</span> *               release (DG);<a name="line.48"></a>
<span class="sourceLineNo">049</span> * 02-Feb-2005 : Changed padding mechanism for all titles (DG);<a name="line.49"></a>
<span class="sourceLineNo">050</span> * 20-Apr-2005 : Added new draw() method (DG);<a name="line.50"></a>
<span class="sourceLineNo">051</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.51"></a>
<span class="sourceLineNo">052</span> * 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG);<a name="line.52"></a>
<span class="sourceLineNo">053</span> * 11-Apr-2008 : Added arrange() method override to account for margin, border<a name="line.53"></a>
<span class="sourceLineNo">054</span> *               and padding (DG);<a name="line.54"></a>
<span class="sourceLineNo">055</span> * 21-Apr-2008 : Added equals() method override (DG);<a name="line.55"></a>
<span class="sourceLineNo">056</span> *<a name="line.56"></a>
<span class="sourceLineNo">057</span> */<a name="line.57"></a>
<span class="sourceLineNo">058</span><a name="line.58"></a>
<span class="sourceLineNo">059</span>package org.jfree.chart.title;<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span>import java.awt.Graphics2D;<a name="line.61"></a>
<span class="sourceLineNo">062</span>import java.awt.Image;<a name="line.62"></a>
<span class="sourceLineNo">063</span>import java.awt.geom.Rectangle2D;<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span>import org.jfree.chart.block.RectangleConstraint;<a name="line.65"></a>
<span class="sourceLineNo">066</span>import org.jfree.chart.event.TitleChangeEvent;<a name="line.66"></a>
<span class="sourceLineNo">067</span>import org.jfree.ui.HorizontalAlignment;<a name="line.67"></a>
<span class="sourceLineNo">068</span>import org.jfree.ui.RectangleEdge;<a name="line.68"></a>
<span class="sourceLineNo">069</span>import org.jfree.ui.RectangleInsets;<a name="line.69"></a>
<span class="sourceLineNo">070</span>import org.jfree.ui.Size2D;<a name="line.70"></a>
<span class="sourceLineNo">071</span>import org.jfree.ui.VerticalAlignment;<a name="line.71"></a>
<span class="sourceLineNo">072</span>import org.jfree.util.ObjectUtilities;<a name="line.72"></a>
<span class="sourceLineNo">073</span><a name="line.73"></a>
<span class="sourceLineNo">074</span>/**<a name="line.74"></a>
<span class="sourceLineNo">075</span> * A chart title that displays an image.  This is useful, for example, if you<a name="line.75"></a>
<span class="sourceLineNo">076</span> * have an image of your corporate logo and want to use as a footnote or part<a name="line.76"></a>
<span class="sourceLineNo">077</span> * of a title in a chart you create.<a name="line.77"></a>
<span class="sourceLineNo">078</span> * &lt;P&gt;<a name="line.78"></a>
<span class="sourceLineNo">079</span> * ImageTitle needs an image passed to it in the constructor.  For ImageTitle<a name="line.79"></a>
<span class="sourceLineNo">080</span> * to work, you must have already loaded this image from its source (disk or<a name="line.80"></a>
<span class="sourceLineNo">081</span> * URL).  It is recommended you use something like<a name="line.81"></a>
<span class="sourceLineNo">082</span> * Toolkit.getDefaultToolkit().getImage() to get the image.  Then, use<a name="line.82"></a>
<span class="sourceLineNo">083</span> * MediaTracker or some other message to make sure the image is fully loaded<a name="line.83"></a>
<span class="sourceLineNo">084</span> * from disk.<a name="line.84"></a>
<span class="sourceLineNo">085</span> * &lt;P&gt;<a name="line.85"></a>
<span class="sourceLineNo">086</span> * SPECIAL NOTE:  this class fails to serialize, so if you are<a name="line.86"></a>
<span class="sourceLineNo">087</span> * relying on your charts to be serializable, please avoid using this class.<a name="line.87"></a>
<span class="sourceLineNo">088</span> */<a name="line.88"></a>
<span class="sourceLineNo">089</span>public class ImageTitle extends Title {<a name="line.89"></a>
<span class="sourceLineNo">090</span><a name="line.90"></a>
<span class="sourceLineNo">091</span>    /** The title image. */<a name="line.91"></a>
<span class="sourceLineNo">092</span>    private Image image;<a name="line.92"></a>
<span class="sourceLineNo">093</span><a name="line.93"></a>
<span class="sourceLineNo">094</span>    /**<a name="line.94"></a>
<span class="sourceLineNo">095</span>     * Creates a new image title.<a name="line.95"></a>
<span class="sourceLineNo">096</span>     *<a name="line.96"></a>
<span class="sourceLineNo">097</span>     * @param image  the image (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.97"></a>
<span class="sourceLineNo">098</span>     */<a name="line.98"></a>
<span class="sourceLineNo">099</span>    public ImageTitle(Image image) {<a name="line.99"></a>
<span class="sourceLineNo">100</span>        this(image, image.getHeight(null), image.getWidth(null),<a name="line.100"></a>
<span class="sourceLineNo">101</span>                Title.DEFAULT_POSITION, Title.DEFAULT_HORIZONTAL_ALIGNMENT,<a name="line.101"></a>
<span class="sourceLineNo">102</span>                Title.DEFAULT_VERTICAL_ALIGNMENT, Title.DEFAULT_PADDING);<a name="line.102"></a>
<span class="sourceLineNo">103</span>    }<a name="line.103"></a>
<span class="sourceLineNo">104</span><a name="line.104"></a>
<span class="sourceLineNo">105</span>    /**<a name="line.105"></a>
<span class="sourceLineNo">106</span>     * Creates a new image title.<a name="line.106"></a>
<span class="sourceLineNo">107</span>     *<a name="line.107"></a>
<span class="sourceLineNo">108</span>     * @param image  the image (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.108"></a>
<span class="sourceLineNo">109</span>     * @param position  the title position.<a name="line.109"></a>
<span class="sourceLineNo">110</span>     * @param horizontalAlignment  the horizontal alignment.<a name="line.110"></a>
<span class="sourceLineNo">111</span>     * @param verticalAlignment  the vertical alignment.<a name="line.111"></a>
<span class="sourceLineNo">112</span>     */<a name="line.112"></a>
<span class="sourceLineNo">113</span>    public ImageTitle(Image image, RectangleEdge position,<a name="line.113"></a>
<span class="sourceLineNo">114</span>                      HorizontalAlignment horizontalAlignment,<a name="line.114"></a>
<span class="sourceLineNo">115</span>                      VerticalAlignment verticalAlignment) {<a name="line.115"></a>
<span class="sourceLineNo">116</span><a name="line.116"></a>
<span class="sourceLineNo">117</span>        this(image, image.getHeight(null), image.getWidth(null),<a name="line.117"></a>
<span class="sourceLineNo">118</span>                position, horizontalAlignment, verticalAlignment,<a name="line.118"></a>
<span class="sourceLineNo">119</span>                Title.DEFAULT_PADDING);<a name="line.119"></a>
<span class="sourceLineNo">120</span>    }<a name="line.120"></a>
<span class="sourceLineNo">121</span><a name="line.121"></a>
<span class="sourceLineNo">122</span>    /**<a name="line.122"></a>
<span class="sourceLineNo">123</span>     * Creates a new image title with the given image scaled to the given<a name="line.123"></a>
<span class="sourceLineNo">124</span>     * width and height in the given location.<a name="line.124"></a>
<span class="sourceLineNo">125</span>     *<a name="line.125"></a>
<span class="sourceLineNo">126</span>     * @param image  the image (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.126"></a>
<span class="sourceLineNo">127</span>     * @param height  the height used to draw the image.<a name="line.127"></a>
<span class="sourceLineNo">128</span>     * @param width  the width used to draw the image.<a name="line.128"></a>
<span class="sourceLineNo">129</span>     * @param position  the title position.<a name="line.129"></a>
<span class="sourceLineNo">130</span>     * @param horizontalAlignment  the horizontal alignment.<a name="line.130"></a>
<span class="sourceLineNo">131</span>     * @param verticalAlignment  the vertical alignment.<a name="line.131"></a>
<span class="sourceLineNo">132</span>     * @param padding  the amount of space to leave around the outside of the<a name="line.132"></a>
<span class="sourceLineNo">133</span>     *                 title.<a name="line.133"></a>
<span class="sourceLineNo">134</span>     */<a name="line.134"></a>
<span class="sourceLineNo">135</span>    public ImageTitle(Image image, int height, int width,<a name="line.135"></a>
<span class="sourceLineNo">136</span>                      RectangleEdge position,<a name="line.136"></a>
<span class="sourceLineNo">137</span>                      HorizontalAlignment horizontalAlignment,<a name="line.137"></a>
<span class="sourceLineNo">138</span>                      VerticalAlignment verticalAlignment,<a name="line.138"></a>
<span class="sourceLineNo">139</span>                      RectangleInsets padding) {<a name="line.139"></a>
<span class="sourceLineNo">140</span><a name="line.140"></a>
<span class="sourceLineNo">141</span>        super(position, horizontalAlignment, verticalAlignment, padding);<a name="line.141"></a>
<span class="sourceLineNo">142</span>        if (image == null) {<a name="line.142"></a>
<span class="sourceLineNo">143</span>            throw new NullPointerException("Null 'image' argument.");<a name="line.143"></a>
<span class="sourceLineNo">144</span>        }<a name="line.144"></a>
<span class="sourceLineNo">145</span>        this.image = image;<a name="line.145"></a>
<span class="sourceLineNo">146</span>        setHeight(height);<a name="line.146"></a>
<span class="sourceLineNo">147</span>        setWidth(width);<a name="line.147"></a>
<span class="sourceLineNo">148</span><a name="line.148"></a>
<span class="sourceLineNo">149</span>    }<a name="line.149"></a>
<span class="sourceLineNo">150</span><a name="line.150"></a>
<span class="sourceLineNo">151</span>    /**<a name="line.151"></a>
<span class="sourceLineNo">152</span>     * Returns the image for the title.<a name="line.152"></a>
<span class="sourceLineNo">153</span>     *<a name="line.153"></a>
<span class="sourceLineNo">154</span>     * @return The image for the title (never &lt;code&gt;null&lt;/code&gt;).<a name="line.154"></a>
<span class="sourceLineNo">155</span>     */<a name="line.155"></a>
<span class="sourceLineNo">156</span>    public Image getImage() {<a name="line.156"></a>
<span class="sourceLineNo">157</span>        return this.image;<a name="line.157"></a>
<span class="sourceLineNo">158</span>    }<a name="line.158"></a>
<span class="sourceLineNo">159</span><a name="line.159"></a>
<span class="sourceLineNo">160</span>    /**<a name="line.160"></a>
<span class="sourceLineNo">161</span>     * Sets the image for the title and notifies registered listeners that the<a name="line.161"></a>
<span class="sourceLineNo">162</span>     * title has been modified.<a name="line.162"></a>
<span class="sourceLineNo">163</span>     *<a name="line.163"></a>
<span class="sourceLineNo">164</span>     * @param image  the new image (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.164"></a>
<span class="sourceLineNo">165</span>     */<a name="line.165"></a>
<span class="sourceLineNo">166</span>    public void setImage(Image image) {<a name="line.166"></a>
<span class="sourceLineNo">167</span>        if (image == null) {<a name="line.167"></a>
<span class="sourceLineNo">168</span>            throw new NullPointerException("Null 'image' argument.");<a name="line.168"></a>
<span class="sourceLineNo">169</span>        }<a name="line.169"></a>
<span class="sourceLineNo">170</span>        this.image = image;<a name="line.170"></a>
<span class="sourceLineNo">171</span>        notifyListeners(new TitleChangeEvent(this));<a name="line.171"></a>
<span class="sourceLineNo">172</span>    }<a name="line.172"></a>
<span class="sourceLineNo">173</span><a name="line.173"></a>
<span class="sourceLineNo">174</span>    /**<a name="line.174"></a>
<span class="sourceLineNo">175</span>     * Arranges the contents of the block, within the given constraints, and<a name="line.175"></a>
<span class="sourceLineNo">176</span>     * returns the block size.<a name="line.176"></a>
<span class="sourceLineNo">177</span>     *<a name="line.177"></a>
<span class="sourceLineNo">178</span>     * @param g2  the graphics device.<a name="line.178"></a>
<span class="sourceLineNo">179</span>     * @param constraint  the constraint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.179"></a>
<span class="sourceLineNo">180</span>     *<a name="line.180"></a>
<span class="sourceLineNo">181</span>     * @return The block size (in Java2D units, never &lt;code&gt;null&lt;/code&gt;).<a name="line.181"></a>
<span class="sourceLineNo">182</span>     */<a name="line.182"></a>
<span class="sourceLineNo">183</span>    public Size2D arrange(Graphics2D g2, RectangleConstraint constraint) {<a name="line.183"></a>
<span class="sourceLineNo">184</span>        Size2D s = new Size2D(this.image.getWidth(null),<a name="line.184"></a>
<span class="sourceLineNo">185</span>                this.image.getHeight(null));<a name="line.185"></a>
<span class="sourceLineNo">186</span>        return new Size2D(calculateTotalWidth(s.getWidth()),<a name="line.186"></a>
<span class="sourceLineNo">187</span>                calculateTotalHeight(s.getHeight()));<a name="line.187"></a>
<span class="sourceLineNo">188</span>    }<a name="line.188"></a>
<span class="sourceLineNo">189</span><a name="line.189"></a>
<span class="sourceLineNo">190</span>    /**<a name="line.190"></a>
<span class="sourceLineNo">191</span>     * Draws the title on a Java 2D graphics device (such as the screen or a<a name="line.191"></a>
<span class="sourceLineNo">192</span>     * printer).<a name="line.192"></a>
<span class="sourceLineNo">193</span>     *<a name="line.193"></a>
<span class="sourceLineNo">194</span>     * @param g2  the graphics device.<a name="line.194"></a>
<span class="sourceLineNo">195</span>     * @param area  the area allocated for the title.<a name="line.195"></a>
<span class="sourceLineNo">196</span>     */<a name="line.196"></a>
<span class="sourceLineNo">197</span>    public void draw(Graphics2D g2, Rectangle2D area) {<a name="line.197"></a>
<span class="sourceLineNo">198</span>        RectangleEdge position = getPosition();<a name="line.198"></a>
<span class="sourceLineNo">199</span>        if (position == RectangleEdge.TOP || position == RectangleEdge.BOTTOM) {<a name="line.199"></a>
<span class="sourceLineNo">200</span>            drawHorizontal(g2, area);<a name="line.200"></a>
<span class="sourceLineNo">201</span>        }<a name="line.201"></a>
<span class="sourceLineNo">202</span>        else if (position == RectangleEdge.LEFT<a name="line.202"></a>
<span class="sourceLineNo">203</span>                     || position == RectangleEdge.RIGHT) {<a name="line.203"></a>
<span class="sourceLineNo">204</span>            drawVertical(g2, area);<a name="line.204"></a>
<span class="sourceLineNo">205</span>        }<a name="line.205"></a>
<span class="sourceLineNo">206</span>        else {<a name="line.206"></a>
<span class="sourceLineNo">207</span>            throw new RuntimeException("Invalid title position.");<a name="line.207"></a>
<span class="sourceLineNo">208</span>        }<a name="line.208"></a>
<span class="sourceLineNo">209</span>    }<a name="line.209"></a>
<span class="sourceLineNo">210</span><a name="line.210"></a>
<span class="sourceLineNo">211</span>    /**<a name="line.211"></a>
<span class="sourceLineNo">212</span>     * Draws the title on a Java 2D graphics device (such as the screen or a<a name="line.212"></a>
<span class="sourceLineNo">213</span>     * printer).<a name="line.213"></a>
<span class="sourceLineNo">214</span>     *<a name="line.214"></a>
<span class="sourceLineNo">215</span>     * @param g2  the graphics device.<a name="line.215"></a>
<span class="sourceLineNo">216</span>     * @param chartArea  the area within which the title (and plot) should be<a name="line.216"></a>
<span class="sourceLineNo">217</span>     *                   drawn.<a name="line.217"></a>
<span class="sourceLineNo">218</span>     *<a name="line.218"></a>
<span class="sourceLineNo">219</span>     * @return The size of the area used by the title.<a name="line.219"></a>
<span class="sourceLineNo">220</span>     */<a name="line.220"></a>
<span class="sourceLineNo">221</span>    protected Size2D drawHorizontal(Graphics2D g2, Rectangle2D chartArea) {<a name="line.221"></a>
<span class="sourceLineNo">222</span><a name="line.222"></a>
<span class="sourceLineNo">223</span>        double startY = 0.0;<a name="line.223"></a>
<span class="sourceLineNo">224</span>        double topSpace = 0.0;<a name="line.224"></a>
<span class="sourceLineNo">225</span>        double bottomSpace = 0.0;<a name="line.225"></a>
<span class="sourceLineNo">226</span>        double leftSpace = 0.0;<a name="line.226"></a>
<span class="sourceLineNo">227</span>        double rightSpace = 0.0;<a name="line.227"></a>
<span class="sourceLineNo">228</span><a name="line.228"></a>
<span class="sourceLineNo">229</span>        double w = getWidth();<a name="line.229"></a>
<span class="sourceLineNo">230</span>        double h = getHeight();<a name="line.230"></a>
<span class="sourceLineNo">231</span>        RectangleInsets padding = getPadding();<a name="line.231"></a>
<span class="sourceLineNo">232</span>        topSpace = padding.calculateTopOutset(h);<a name="line.232"></a>
<span class="sourceLineNo">233</span>        bottomSpace = padding.calculateBottomOutset(h);<a name="line.233"></a>
<span class="sourceLineNo">234</span>        leftSpace = padding.calculateLeftOutset(w);<a name="line.234"></a>
<span class="sourceLineNo">235</span>        rightSpace = padding.calculateRightOutset(w);<a name="line.235"></a>
<span class="sourceLineNo">236</span><a name="line.236"></a>
<span class="sourceLineNo">237</span>        if (getPosition() == RectangleEdge.TOP) {<a name="line.237"></a>
<span class="sourceLineNo">238</span>            startY = chartArea.getY() + topSpace;<a name="line.238"></a>
<span class="sourceLineNo">239</span>        }<a name="line.239"></a>
<span class="sourceLineNo">240</span>        else {<a name="line.240"></a>
<span class="sourceLineNo">241</span>            startY = chartArea.getY() + chartArea.getHeight() - bottomSpace - h;<a name="line.241"></a>
<span class="sourceLineNo">242</span>        }<a name="line.242"></a>
<span class="sourceLineNo">243</span><a name="line.243"></a>
<span class="sourceLineNo">244</span>        // what is our alignment?<a name="line.244"></a>
<span class="sourceLineNo">245</span>        HorizontalAlignment horizontalAlignment = getHorizontalAlignment();<a name="line.245"></a>
<span class="sourceLineNo">246</span>        double startX = 0.0;<a name="line.246"></a>
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<span class="sourceLineNo">249</span>                     - w / 2.0;<a name="line.249"></a>
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<span class="sourceLineNo">252</span>            startX = chartArea.getX() + leftSpace;<a name="line.252"></a>
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<span class="sourceLineNo">257</span>        g2.drawImage(this.image, (int) startX, (int) startY, (int) w, (int) h,<a name="line.257"></a>
<span class="sourceLineNo">258</span>                null);<a name="line.258"></a>
<span class="sourceLineNo">259</span><a name="line.259"></a>
<span class="sourceLineNo">260</span>        return new Size2D(chartArea.getWidth() + leftSpace + rightSpace,<a name="line.260"></a>
<span class="sourceLineNo">261</span>            h + topSpace + bottomSpace);<a name="line.261"></a>
<span class="sourceLineNo">262</span><a name="line.262"></a>
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<span class="sourceLineNo">264</span><a name="line.264"></a>
<span class="sourceLineNo">265</span>    /**<a name="line.265"></a>
<span class="sourceLineNo">266</span>     * Draws the title on a Java 2D graphics device (such as the screen or a<a name="line.266"></a>
<span class="sourceLineNo">267</span>     * printer).<a name="line.267"></a>
<span class="sourceLineNo">268</span>     *<a name="line.268"></a>
<span class="sourceLineNo">269</span>     * @param g2  the graphics device.<a name="line.269"></a>
<span class="sourceLineNo">270</span>     * @param chartArea  the area within which the title (and plot) should be<a name="line.270"></a>
<span class="sourceLineNo">271</span>     *                   drawn.<a name="line.271"></a>
<span class="sourceLineNo">272</span>     *<a name="line.272"></a>
<span class="sourceLineNo">273</span>     * @return The size of the area used by the title.<a name="line.273"></a>
<span class="sourceLineNo">274</span>     */<a name="line.274"></a>
<span class="sourceLineNo">275</span>    protected Size2D drawVertical(Graphics2D g2, Rectangle2D chartArea) {<a name="line.275"></a>
<span class="sourceLineNo">276</span><a name="line.276"></a>
<span class="sourceLineNo">277</span>        double startX = 0.0;<a name="line.277"></a>
<span class="sourceLineNo">278</span>        double topSpace = 0.0;<a name="line.278"></a>
<span class="sourceLineNo">279</span>        double bottomSpace = 0.0;<a name="line.279"></a>
<span class="sourceLineNo">280</span>        double leftSpace = 0.0;<a name="line.280"></a>
<span class="sourceLineNo">281</span>        double rightSpace = 0.0;<a name="line.281"></a>
<span class="sourceLineNo">282</span><a name="line.282"></a>
<span class="sourceLineNo">283</span>        double w = getWidth();<a name="line.283"></a>
<span class="sourceLineNo">284</span>        double h = getHeight();<a name="line.284"></a>
<span class="sourceLineNo">285</span><a name="line.285"></a>
<span class="sourceLineNo">286</span>        RectangleInsets padding = getPadding();<a name="line.286"></a>
<span class="sourceLineNo">287</span>        if (padding != null) {<a name="line.287"></a>
<span class="sourceLineNo">288</span>            topSpace = padding.calculateTopOutset(h);<a name="line.288"></a>
<span class="sourceLineNo">289</span>            bottomSpace = padding.calculateBottomOutset(h);<a name="line.289"></a>
<span class="sourceLineNo">290</span>            leftSpace = padding.calculateLeftOutset(w);<a name="line.290"></a>
<span class="sourceLineNo">291</span>            rightSpace = padding.calculateRightOutset(w);<a name="line.291"></a>
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<span class="sourceLineNo">293</span><a name="line.293"></a>
<span class="sourceLineNo">294</span>        if (getPosition() == RectangleEdge.LEFT) {<a name="line.294"></a>
<span class="sourceLineNo">295</span>            startX = chartArea.getX() + leftSpace;<a name="line.295"></a>
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<span class="sourceLineNo">298</span>            startX = chartArea.getMaxX() - rightSpace - w;<a name="line.298"></a>
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<span class="sourceLineNo">300</span><a name="line.300"></a>
<span class="sourceLineNo">301</span>        // what is our alignment?<a name="line.301"></a>
<span class="sourceLineNo">302</span>        VerticalAlignment alignment = getVerticalAlignment();<a name="line.302"></a>
<span class="sourceLineNo">303</span>        double startY = 0.0;<a name="line.303"></a>
<span class="sourceLineNo">304</span>        if (alignment == VerticalAlignment.CENTER) {<a name="line.304"></a>
<span class="sourceLineNo">305</span>            startY = chartArea.getMinY() + topSpace<a name="line.305"></a>
<span class="sourceLineNo">306</span>                     + chartArea.getHeight() / 2.0 - h / 2.0;<a name="line.306"></a>
<span class="sourceLineNo">307</span>        }<a name="line.307"></a>
<span class="sourceLineNo">308</span>        else if (alignment == VerticalAlignment.TOP) {<a name="line.308"></a>
<span class="sourceLineNo">309</span>            startY = chartArea.getMinY() + topSpace;<a name="line.309"></a>
<span class="sourceLineNo">310</span>        }<a name="line.310"></a>
<span class="sourceLineNo">311</span>        else if (alignment == VerticalAlignment.BOTTOM) {<a name="line.311"></a>
<span class="sourceLineNo">312</span>            startY = chartArea.getMaxY() - bottomSpace - h;<a name="line.312"></a>
<span class="sourceLineNo">313</span>        }<a name="line.313"></a>
<span class="sourceLineNo">314</span><a name="line.314"></a>
<span class="sourceLineNo">315</span>        g2.drawImage(this.image, (int) startX, (int) startY, (int) w, (int) h,<a name="line.315"></a>
<span class="sourceLineNo">316</span>                null);<a name="line.316"></a>
<span class="sourceLineNo">317</span><a name="line.317"></a>
<span class="sourceLineNo">318</span>        return new Size2D(chartArea.getWidth() + leftSpace + rightSpace,<a name="line.318"></a>
<span class="sourceLineNo">319</span>            h + topSpace + bottomSpace);<a name="line.319"></a>
<span class="sourceLineNo">320</span><a name="line.320"></a>
<span class="sourceLineNo">321</span>    }<a name="line.321"></a>
<span class="sourceLineNo">322</span><a name="line.322"></a>
<span class="sourceLineNo">323</span>    /**<a name="line.323"></a>
<span class="sourceLineNo">324</span>     * Draws the block within the specified area.<a name="line.324"></a>
<span class="sourceLineNo">325</span>     *<a name="line.325"></a>
<span class="sourceLineNo">326</span>     * @param g2  the graphics device.<a name="line.326"></a>
<span class="sourceLineNo">327</span>     * @param area  the area.<a name="line.327"></a>
<span class="sourceLineNo">328</span>     * @param params  ignored (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.328"></a>
<span class="sourceLineNo">329</span>     *<a name="line.329"></a>
<span class="sourceLineNo">330</span>     * @return Always &lt;code&gt;null&lt;/code&gt;.<a name="line.330"></a>
<span class="sourceLineNo">331</span>     */<a name="line.331"></a>
<span class="sourceLineNo">332</span>    public Object draw(Graphics2D g2, Rectangle2D area, Object params) {<a name="line.332"></a>
<span class="sourceLineNo">333</span>        draw(g2, area);<a name="line.333"></a>
<span class="sourceLineNo">334</span>        return null;<a name="line.334"></a>
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<span class="sourceLineNo">336</span><a name="line.336"></a>
<span class="sourceLineNo">337</span>    /**<a name="line.337"></a>
<span class="sourceLineNo">338</span>     * Tests this &lt;code&gt;ImageTitle&lt;/code&gt; for equality with an arbitrary<a name="line.338"></a>
<span class="sourceLineNo">339</span>     * object.  Returns &lt;code&gt;true&lt;/code&gt; if:<a name="line.339"></a>
<span class="sourceLineNo">340</span>     * &lt;ul&gt;<a name="line.340"></a>
<span class="sourceLineNo">341</span>     * &lt;li&gt;&lt;code&gt;obj&lt;/code&gt; is an instance of &lt;code&gt;ImageTitle&lt;/code&gt;;<a name="line.341"></a>
<span class="sourceLineNo">342</span>     * &lt;li&gt;&lt;code&gt;obj&lt;/code&gt; references the same image as this<a name="line.342"></a>
<span class="sourceLineNo">343</span>     *     &lt;code&gt;ImageTitle&lt;/code&gt;;<a name="line.343"></a>
<span class="sourceLineNo">344</span>     * &lt;li&gt;&lt;code&gt;super.equals(obj)&lt;code&gt; returns &lt;code&gt;true&lt;/code&gt;;<a name="line.344"></a>
<span class="sourceLineNo">345</span>     * &lt;/ul&gt;<a name="line.345"></a>
<span class="sourceLineNo">346</span>     *<a name="line.346"></a>
<span class="sourceLineNo">347</span>     * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.347"></a>
<span class="sourceLineNo">348</span>     *<a name="line.348"></a>
<span class="sourceLineNo">349</span>     * @return A boolean.<a name="line.349"></a>
<span class="sourceLineNo">350</span>     */<a name="line.350"></a>
<span class="sourceLineNo">351</span>    public boolean equals(Object obj) {<a name="line.351"></a>
<span class="sourceLineNo">352</span>        if (obj == this) {<a name="line.352"></a>
<span class="sourceLineNo">353</span>            return true;<a name="line.353"></a>
<span class="sourceLineNo">354</span>        }<a name="line.354"></a>
<span class="sourceLineNo">355</span>        if (!(obj instanceof ImageTitle)) {<a name="line.355"></a>
<span class="sourceLineNo">356</span>            return false;<a name="line.356"></a>
<span class="sourceLineNo">357</span>        }<a name="line.357"></a>
<span class="sourceLineNo">358</span>        ImageTitle that = (ImageTitle) obj;<a name="line.358"></a>
<span class="sourceLineNo">359</span>        if (!ObjectUtilities.equal(this.image, that.image)) {<a name="line.359"></a>
<span class="sourceLineNo">360</span>            return false;<a name="line.360"></a>
<span class="sourceLineNo">361</span>        }<a name="line.361"></a>
<span class="sourceLineNo">362</span>        return super.equals(obj);<a name="line.362"></a>
<span class="sourceLineNo">363</span>    }<a name="line.363"></a>
<span class="sourceLineNo">364</span><a name="line.364"></a>
<span class="sourceLineNo">365</span>}<a name="line.365"></a>




























































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